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Recent puzzles without answers

0 votes
Find the familiar phrase, saying or name in this arrangement of letters?
posted Apr 30, 2019 by anonymous
  • rebus
  • visual
+1 vote
Let Ln denote the arc length of the curve x^2n + y^2n = 1 where n is a positive integer. Find Lim (n->∞) Ln
posted Apr 26, 2019 by anonymous
  • algebra
0 votes
a,b,c,d are distinct pairwise co-prime +ve integers with a^2 + b^2 = c^2 + d^2, lowest possible value of a + b + c + d?
posted Apr 26, 2019 by anonymous
  • algebra
  • number puzzle
0 votes
64 numbers (not necessarily distinct) are placed on the squares of a chessboard such that sum of every 2x2 square is 7..
posted Apr 23, 2019 by anonymous
  • logic
  • mathematical
  • chess
0 votes
i, j, and k are chosen randomly from [-1, 1]. What is the probability that i^2 + j^2 + k^2 < 1 and |i| + |j| + |k| > 1
posted Apr 22, 2019 by anonymous
  • probability
0 votes
Choose the best word for the blank?
posted Apr 22, 2019 by anonymous
  • english
  • vocabulary
+1 vote
Which of the following bases has the most automorphic numbers for the first 100 positive integers?
posted Apr 22, 2019 by anonymous
  • number puzzle
  • logic
0 votes
Can you rearrange the 64 squares on a chess board so that every row and column has an odd number of black squares?
posted Apr 18, 2019 by anonymous
  • logic
0 votes
Continuous functions
posted Apr 17, 2019 by anonymous
  • mathematical
0 votes
I am there !!! but I was!!!
posted Apr 10, 2019 by Prithvi
  • riddle
0 votes
Every other side of a regular decagon is extended to form a regular pentagon, find the ratio of two shaded regions?
posted Apr 3, 2019 by anonymous
  • geometry
  • mathematical
0 votes
A be a 2x3 matrix and B 3x2 matrix. If AxB and BxA both defined and determinant of matrix AxB is 4...
posted Apr 3, 2019 by anonymous
  • mathematical
  • matrix
  • algebra
0 votes
What is this rebus saying? ITIDEFON
posted Mar 23, 2019 by anonymous
  • rebus
+1 vote
What is this rebus saying?
posted Mar 22, 2019 by Rahul Chandel
  • rebus
  • visual
  • riddle
+1 vote
What is the area of the blue parallelogram?
posted Mar 1, 2019 by anonymous
  • geometry
  • mathematical
0 votes
Find the next term in the series- 0, 1, 2, 1, 1, 2, 3, 4, 5, 6, 24, ?
posted Jan 22, 2019 by Hanifa Mammadov
  • series
  • logic
  • mathematical
+1 vote
Two identical very thing rings. One lays flat on a table and the other stands inside it. They touch at four points...
posted Dec 28, 2018 by anonymous
  • mathematical
+1 vote
What would be the missing number in the following image?
posted Dec 17, 2018 by anonymous
  • mathematical
  • number puzzle
0 votes
If 2+6+7=24, 3+4+4=40 and 8+2+8=73 then 2+3+9=?
posted Dec 7, 2018 by anonymous
  • logic
+1 vote
A spherical shell of mass m is resting on rough horizontal plane with coefficient of friction 0.3 a horizontal force...
posted Dec 6, 2018 by Tanya
  • physics
0 votes
Inside a square ABCD, a point P is selected such that AP = 1, BP = 2 and CP = 3. Find the angle APB?
posted Dec 5, 2018 by anonymous
  • geometry
  • mathematical
+1 vote
Positive real numbers x and y are such that x^2 - 2x + 4y^2 = 0. Find the maximum value of xy?
posted Dec 5, 2018 by anonymous
  • algebra
  • mathematical
+1 vote
A tosses a fair coin 50 times and B tosses another 51 times. What is the probability that B got more heads than A?
posted Dec 5, 2018 by anonymous
  • probability
  • mathematical
0 votes
I am rare with atoms closer and electrons cannot pass through it
posted Dec 3, 2018 by Rehan Chhura
  • riddle
0 votes
This is a number puzzle. What will be ?
posted Dec 1, 2018 by anonymous
  • number puzzle
0 votes
If 4-2=8, 7-3=22 and 6-3=9 then 9-4=?
posted Dec 1, 2018 by anonymous
  • logic
0 votes
Three circles of unit radius and touching each other. What is max possible area of blue circle as shown in image?
posted Nov 30, 2018 by anonymous
  • geometry
+1 vote
In the square, four inner segments extended from the four vertices form a square in the center...
posted Nov 20, 2018 by anonymous
  • geometry
  • logic
0 votes
If 4,3 = 96; 6,4 = 144; 9,6 = 228 and 9,7 = 252 then 7,3 = ?
posted Nov 19, 2018 by anonymous
  • logic
  • number puzzle
0 votes
Five circles are created to the maximum possible area in a hexagon, find the ratio of the grey region on the image?
posted Nov 15, 2018 by anonymous
  • geometry
  • mathematical
+1 vote
How many squares can be formed in the following image by connecting four points of 8x8 grid?
posted Nov 15, 2018 by anonymous
  • permutation
  • mathematical
0 votes
A puzzle consisting of 100 pieces. What is the minimum number of pieces I have to draw randomly from a pile...
posted Nov 11, 2018 by anonymous
  • probability
  • mathematical
  • logic
+1 vote
What is the area of the red region if the angle of bigger mouth is double of the smaller mouth?
posted Oct 16, 2018 by anonymous
  • geometry
  • mathematical
0 votes
Find the ratio of the length of large triangle vs small triangle?
posted Oct 15, 2018 by anonymous
  • geometry
  • mathematical
0 votes
In the following image If the 7 congruent circles all have a radius of 1 inch, what is the diameter of large circle?
posted Oct 15, 2018 by anonymous
  • geometry
0 votes
Guess the old malayalam songs from the following hint?
posted Oct 12, 2018 by anonymous
  • whatsapp
0 votes
Arrange the cards as follows - All cards side by side in a line, any two adjacent cards are either same suit or rank...
posted Oct 6, 2018 by anonymous
  • permutation
  • logic
  • mathematical
+1 vote
Which thing poor people in general throw while rich people keep in pocket?
posted Oct 3, 2018 by Vîkãś Raghuwanshi
  • riddle
+1 vote
What is this rebus saying?
posted Sep 19, 2018 by Riteshwar
  • rebus
  • visual
  • riddle
0 votes
What is this rebus means?
posted Sep 11, 2018 by Nikhil Pandey
  • rebus
  • riddle
  • visual
0 votes
Are interesting and interested
posted Sep 7, 2018 by Raychatu Sanfo
  • riddle
+1 vote
370 cusec water output in one dam, how much if water output if water travels 10 km with 7 meter width in 10 minutes?
posted Aug 29, 2018 by Pandian Anu
  • mathematical
+1 vote
What is this rebus means?
posted Aug 27, 2018 by Rahul Chandel
  • rebus
  • riddle
  • visual
+1 vote
Two telephone poles 30m high, 80m apart and connected by a 100m long cable. Distance of lowest point of cable to ground?
posted Aug 12, 2018 by anonymous
  • logic
  • mathematical
0 votes
What is the % of the area of the blue region as compare to the whole?
posted Aug 10, 2018 by anonymous
  • geometry
  • mathematical
0 votes
Find the missing number in the following image?
posted Aug 8, 2018 by anonymous
  • logic
0 votes
Find the minimum distance between the curve y^2=4x and x^2 + y^2 -12x + 31 = 0?
posted Aug 1, 2018 by anonymous
  • coordinate geometry
  • mathematical
+1 vote
Guess Lord Krishna’s Names From The Following Emoticons?
posted Jul 29, 2018 by anonymous
  • visual
  • whatsapp
  • logic
0 votes
If we play the following game 1400 times, what is the expected number of games that I would win?
posted Jul 28, 2018 by anonymous
  • probability
  • permutation
  • mathematical
+1 vote
See the following triangle and tell what should be the length of KN?
posted Jul 28, 2018 by anonymous
  • geometry
  • mathematical
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